Bump k8s.io/api from 0.20.4 to 0.20.5

Bumps [k8s.io/api](https://github.com/kubernetes/api) from 0.20.4 to 0.20.5.
- [Release notes](https://github.com/kubernetes/api/releases)
- [Commits](kubernetes/api@v0.20.4...v0.20.5)

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -8,8 +8,8 @@ require (
 	github.com/onsi/ginkgo v1.15.2
 	github.com/onsi/gomega v1.11.0
 	github.com/rabbitmq/cluster-operator v1.5.0
-	k8s.io/api v0.20.4
-	k8s.io/apimachinery v0.20.4
+	k8s.io/api v0.20.5
+	k8s.io/apimachinery v0.20.5
 	k8s.io/client-go v0.20.4
 	k8s.io/utils v0.0.0-20210111153108-fddb29f9d009
 	sigs.k8s.io/controller-runtime v0.8.3